Should hemangiomas be included in initial differential diagnosis for congenital vascular malformations?

The most common type of hemangiomas are “hemangiomas of infancy.” Congenital hemangiomas are another subtype of hemangioma, with different histological, genetic, and clinical behavior. Many benign vascular lesions are erroneously termed hemangiomas. This chapter serves as a concise update with emphasis on distinguishing properties of hemangiomas vis-à-vis vascular malformations.